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Query: UMLS:C0345904 (liver cancer)
 15,188 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Three of 42 (7%) monkeys given aflatoxin B1 (AFB1) for longer than 2 years have developed primary malignant neoplasms of the liver. Liver biopsies performed at intervals during aflatoxin administration revealed that neoplasia was preceded by pathologic lesions of the liver, including toxic hepatitis, proliferation of pseudotubules, and hyperplastic nodules. Serum alpha-fetoprotein levels, monitored in one of the monkeys by radioimmunoassay, paralleled tumor growth and recurrence of the hepatocellular carcinoma. Normal serum alpha-fetoprotein levels were noted for a monkey with hemangioendothelial sarcoma. Our results implicate AFB1 as a liver carcinogen in monkeys and add additional support to the hypothesis that humans exposed to this substance may be at risk of developing liver cancer.
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PMID:Carcinogenicity of aflatoxin B1 in rhesus monkeys: two additional cases of primary liver cancer. 6 57

In vivo immunogenicity and in vitro species-specific membrane antigens in tumor cells treated or untreated with glutaraldehyde (GA) were studied. Two different syngeneic Syrian hamster transplantable tumor cell lines (spontaneous liver cancer and SV40-induced sarcoma) not only lost immunogenicity after GA treatment but were responsible for enhancement of test-tumor growth in immunized animals. In vitro mixed hemadsorption test used for determination of species-specific membrane antigens in Syrian hamster, green monkey and interspecies hybrid cells revealed drastic alteration of antigens on the membrane of cells treated with GA.
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PMID:Sensitivity of TSTA and species-specific cell membrane antigens of tumor cells to glutaraldehyde treatment. 9 20

During the period from March 1954 to June 1976, 489 cases of hepatic tumors were experienced at the Department of Surgery, National Taiwan University Hospital. The pathological classification are: Hemangioma 5; Cystic hamartoma 2; Hemangioendothelioma 2; Non-parasitic localized cyst 5; Polycystic liver 9; Tuberculoma 1; Actinomycosis 1; Hyperplasia 1; Adenoma 1; Primary liver sarcoma 2; Primary liver cancer 442; and Metastatic liver cancer 18. Of the 489 hepatic tumors, two cases were treated with excision, 148 cases with hepatic lobectomy and nine cases of polycystic liver were treated with fenestration. Benign hepatic tumors are all well up to eight years after the operation, 14 cases of primary liver cancer survived five to 17 years after hepatic lobectomy.
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PMID:Hepatic tumors, surgical treatment and its results. 20 37

Family pedigree of Li-Fraumeni syndrome was investigated from probands with childhood adrenocortical carcinoma in Japan. From 47 probands, 7 families had 3 or more cancer cases at ages less than 45 years within the first generation; one satisfied Li's original criteria, two were acceptable because of multiple primary cancer in the probands, and others showed an aggregation of cancers with onsets at early ages, though no sarcoma of mesenchymal origin was found. A significantly higher occurrence of cancer in the mothers of the probands, especially of the breast, was consistent with reports from the USA, and liver cancer, osteosarcoma and lung cancer among family members under the age of 45 also showed a higher frequency than in the general population. Similarities and differences between Japanese and Caucasian cases are discussed.
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PMID:Familial aggregation of cancer from proband cases with childhood adrenal cortical carcinoma. 191 26

The Liver Cancer Study Group of Japan analyzed statistically 12,887 cases of primary liver cancer diagnosed from January 1, 1982 to December 31, 1985 in more than 500 institutes throughout the country. The study was based on the answers to 258 questions. There were 4354 cases of hepatocellular carcinoma, 256 cases of cholangiocellular carcinoma, 49 cases of mixed carcinoma, 22 cases of hepatoblastoma, 10 cases of sarcoma, and 74 other cases. The survey and analysis, based mainly on 4765 histologically proved cases, included gross anatomic and histologic features of the tumors, pathology of the noncancerous portion, distant metastases, past medical history, frequency of positive Hepatitis B surface antigen and Hepatitis B surface antibody, age distribution, various diagnostic procedures, surgical procedures, and survival rate in relation to operative curability and tumor stage.
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PMID:Primary liver cancer in Japan. Clinicopathologic features and results of surgical treatment. 215 91

A radioimmunoassay for transforming growth factor alpha (TGF-alpha) using synthetic rat sarcoma transforming growth factor and its rabbit polyclonal antibody has been developed. Using radioimmunoassays, the urinary TGF-alpha and epidermal growth factor (EGF) concentrations in 31 patients with hepatocellular carcinoma (HCC), 15 probable HCC, four metastatic liver cancer, and 33 age, sex-matched healthy controls were determined. For the first time, we have shown that the average TGF-alpha concentration for HCC patients was 21.5 +/- 20.3 micrograms per g creatinine, significantly higher than that of healthy subjects, 4.9 +/- 2.8 micrograms per g creatinine (P less than 0.001). There was no statistical difference in the level of EGF between HCC patients and controls (40.9 +/- 29.3 versus 46.2 +/- 16.6 micrograms per g creatinine; P greater than 0.05). The ratio of EGF/TGF-alpha between HCC patients (3.37 +/- 4.42) and controls (15.5 +/- 13.0) was significantly different (P less than 0.001). Among patients, 65% (20 of 31) of HCC cases and 87% (13 of 15) of probable HCC cases showed a marked elevation of TGF-alpha levels. We found only 16% (five of 31) of HCC cases with increased EGF level. EGF excretion was inversely age related. Serum total protein concentration and alkaline phosphatase activity were positively correlated to EGF concentration (r = 0.522, P less than 0.01 and rt = 0.393, P less than 0.05, respectively). There was no correlation between biochemical functions of liver and TGF-alpha concentration in HCC patients. Our results also suggested that TGF-alpha may be a useful complementary tumor marker for management of patients with clinical manifestation of HCC who have low alpha-fetoprotein levels.
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PMID:Elevation of transforming growth factor alpha and its relationship to the epidermal growth factor and alpha-fetoprotein levels in patients with hepatocellular carcinoma. 243 30

Cure of primary liver tumours remains possible only by surgery and early diagnosis will therefore continue to be important; the value of regular screening of cirrhotic patients for development of HCC by ultrasound scanning and estimation of AFP is now established. Prognosis of irresectable HCC depends largely on the general condition of the patient at the time of diagnosis and is better in the absence of cirrhosis. Radiotherapy has little role in the management of patients with HCC, but benefit with acceptable morbidity may be obtained from parenteral chemotherapy, with doxorubicin or its derivatives used as single agents, or with a combination of 5-FU and methyl-CCNU. There may be advantage from regional therapy given via the hepatic artery and early results from the combination of embolization with arterial doxorubicin are encouraging. The use of radiolabelled antibodies to tumour-related determinants of hormonal manipulation show promise. Worthwhile results from the non-surgical management of peripheral (intrahepatic) cholangiocarcinoma and primary hepatic sarcoma remain scarce. Isolated hepatic metastases from colorectal primaries may be resectable; for those that are not, results from regional chemotherapy with 5-FU or FUDR are encouraging, but cost and high morbidity currently limit more general application.
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PMID:Chemotherapy and radiotherapy of malignant hepatic tumours. 303 57

The Liver Cancer Study Group of Japan statistically analyzed 4658 cases of primary liver cancer diagnosed from January 1, 1980 to December 31, 1981 in over 400 hospitals throughout the country. The study group comprised 2038 cases of hepatocellular carcinoma, 146 of cholangiocarcinoma, 33 of mixed carcinoma, 30 of hepatoblastoma, six of sarcoma, and 33 others. In 2286 cases (49.1%) a histologic diagnosis was available. The survey, based mostly on the histologically proven cases, describes histologic features of the tumors, grade of anaplasia and growth patterns of the tumor cells, pathology in noncancerous portions of the liver, distant metastases, medical history, frequency of hepatitis in the history, frequency of positive HBsAg and anti-HBs, age distribution, subjective symptoms, radiographic features (angiogram, scintiscan, computed tomography), ultrasonography, surgical procedures, extent of hepatic resection, and survival.
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PMID:Primary liver cancer in Japan. Sixth report. The Liver Cancer Study Group of Japan. 304 Feb 16

A literature review shows that porphyria cutanea tarda (PCT), and possibly acute intermittent porphyria also, tend to occur more often than expected among cases of primary liver cancer, especially when cirrhosis is present. Lymphomas and PCT may be related also, although this is less well documented. Furthermore, there is an interesting report on a case of PCT, sarcoma and probable exposure to 2,3,7,8-tetrachlorodibenzo-para-dioxin. Exposure to hexachlorobenzene (HCB) as a cause of cancer in humans does not seem to have been reported, however, but exposure to this compound and other chlorinated aromatics should be included in future observations of PCT and cancer. The possibilities for good epidemiological studies of HCB exposure in relation to cancer and other effects seem to be limited although some guidelines can be given.
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PMID:A review of porphyria and cancer and the missing link with human exposure to hexachlorobenzene. 329 38

A review of epidemiological studies on the health effects of exposure to phenoxy herbicides suggests that exposure may be associated with an increased incidence of cancer and unfavorable outcomes of pregnancy. Studies on cancer have found increased risks of 5.3, 6.8 and 3.96 for soft-tissue sarcoma, 7.7 and 6.0 for stomach cancer, 2.05 for lung cancer, 4.8 for lymphoma, 2.3 for all cancers combined, and 5.2 for liver cancer after exposure to 2,4,5-T or dioxin contaminants. Several studies have suggested a possible increase in birth defects after paternal exposure. An increased risk of hydatidiform mole is suggested by Vietnamese studies on the effects of maternal exposure.
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PMID:Health effects of phenoxy herbicides. A review. 352 76


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